site_archiver@lists.apple.com Delivered-To: darwin-kernel@lists.apple.com Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.co.in; h=Message-ID:Received:Date:From:Subject:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding; b=XjYwC6WYbFKS+KEvqSdl9hyuO8WM2w4yQseV+bjliqXVj/yuMv/EO/kufEaJsBmExKgS38ZwxwoUXn5mzYxqeMMZKRoG8FJgl4QZlTK2xWmhxJkZYRKdkWE8v1pkCDChL+CFNKVDJFSPyrzptXi6tV+5TclmT9rOmjtWYrGMLGg= ; Hi all, I am writing a kernel mode driver for a modem.I am using TCP implementation for the same. The API sock_receive() and sock_receivembuf() are both returning error no 22 i.e EINVAL (Invalid argument).Can anyone please tell me the reason for the same.. I am attaching the code below for reference.. Regards, Sanjay void socket_handler(socket_t so, void* context, int waitf) { UCHAR recv_data[MTU_SIZE + 3]; int ret = 0; struct msghdr recv_mesg; struct iovec recv_iov; size_t no_of_bytes_read = 0; struct sockaddr from; mbuf_t mp = 0; do { bzero(&from, sizeof(from)); bzero(&recv_mesg, sizeof(recv_mesg)); recv_mesg.msg_namelen = sizeof(from); recv_mesg.msg_name = &from; recv_iov.iov_base=(PUCHAR)recv_data; recv_iov.iov_len=sizeof(recv_data); recv_mesg.msg_iov=&recv_iov; ret = sock_receivembuf(so, &recv_mesg, &mp, MSG_DONTWAIT, &no_of_bytes_read) ; if((ret !=0 && ret != 35 )) { IOLog("Receive failed,Error number is %d\n",ret); return ; } if (no_of_bytes_read == 0) { sock_close(so); } if (no_of_bytes_read < 0) { EAL_ERR("Receive failed\n"); continue; } callback_func(context,recv_data, no_of_bytes_read); if (mp == 0) break; }while (1); } __________________________________________________________ Yahoo! India Answers: Share what you know. Learn something new http://in.answers.yahoo.com/ _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-kernel mailing list (Darwin-kernel@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-kernel/site_archiver%40lists.a... This email sent to site_archiver@lists.apple.com